extern void lto_data_in_delete (class data_in *);
extern void lto_input_data_block (class lto_input_block *, void *, size_t);
void lto_input_location (location_t *, struct bitpack_d *, class data_in *);
-location_t stream_input_location_now (struct bitpack_d *bp,
- class data_in *data);
tree lto_input_tree_ref (class lto_input_block *, class data_in *,
struct function *, enum LTO_tags);
void lto_tag_check_set (enum LTO_tags, int, ...);